Simple calculator to get the square root of an element

In mathematics, a square root of a number a is a number y such that y2 = a; in other words, a number y whose square

Every nonnegative real number a has a unique nonnegative square root, called the principal square root, which is denoted by √a, where √ is called the radical sign or radix. The term (or number) whose square root is being considered is known as the radicand.